Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
05/2006
05/17/2006EP1656728A1 Voltage conversion device
05/17/2006EP1495531B1 High efficiency flyback converter
05/17/2006EP1415518B1 Led switching arrangement
05/17/2006EP1325551A4 Multiple power converter system using combining transformers
05/17/2006CN2781641Y 开关电源 Switching Power Supply
05/17/2006CN1774958A High frequency heating apparatus
05/17/2006CN1774864A Driver for inductive load
05/17/2006CN1774855A DC-DC converter
05/17/2006CN1773829A Apparatus and method for power conversion
05/17/2006CN1773827A Push-pull ortho-exciting three-level DC inverter
05/17/2006CN1773826A Zero-voltage switch push-pull ortho-exciting three-level DC inverter main circuit and control method thereof
05/17/2006CN1773825A Switching power supply
05/17/2006CN1773824A Reset circuit of single-end ortho-exciting electric source
05/17/2006CN1773823A Charge pumping circuit and direct current converting apparatus using the same
05/17/2006CN1773822A Efficient Low-power dissipation whole PMOS charge pump circuit adapted to low-source voltage
05/16/2006US7047110 Method and apparatus for controlling a power supply
05/16/2006US7046534 DC/AC converter to convert direct electric voltage into alternating voltage or into alternating current
05/16/2006US7046533 DC/DC converter
05/16/2006US7046532 Switching power supply
05/16/2006US7046530 Method and apparatus for current limiting of an output of a DC-to-DC converter
05/16/2006US7046528 Load-dependent variable frequency voltage regulator
05/16/2006US7046526 DC-AC converter, and method for supplying AC power
05/16/2006US7046525 Bidirectional flyback switch mode power supply (SMPS)
05/16/2006US7046524 Power supply device comprising several switched-mode power supply units that are connected in parallel
05/16/2006US7046523 Core structure and interleaved DC—DC converter topology
05/16/2006US7046293 Power supply circuit and CCD camera using same
05/16/2006US7046076 High efficiency, low cost, charge pump circuit
05/16/2006US7046049 Driver circuit for controlling a resonant converter
05/16/2006US7045994 Method and apparatus for reducing audio noise in a switching regulator
05/16/2006US7045980 Power converter and vehicle equipped with power converter
05/16/2006US7045915 Power supply unit having multiple power supply outputs
05/11/2006WO2006050470A1 Push-pull inverter with snubber energy recovery
05/11/2006WO2006050377A2 Powered hand held devices
05/11/2006WO2006049007A1 Charge pump circuit
05/11/2006US20060098466 Demagnetization circuit for using in push-pull circuit
05/11/2006US20060098465 Undershoot eliminator circuit and method for synchronous rectified dc-dc converters
05/11/2006US20060098464 Switching power supply
05/11/2006US20060098463 Method and apparatus to provide temporary peak power from a switching regulator
05/11/2006US20060098462 Power supply and its controlling method
05/11/2006US20060098461 DC-AC converter
05/11/2006US20060098460 Switched mode power supply responsive to current derived from voltage across energy transfer element input
05/11/2006US20060097779 Method and apparatus for sensing current and voltage in circuits with voltage across an LED
05/11/2006US20060097580 Set of integrated capacitor arrangements, especially integrated grid capacitors
05/11/2006DE102004053144A1 Boost converter has input signal depending on input voltage and supplied to control circuit which generates control signal depending on input signal
05/11/2006DE102004047697A1 Schaltungsanordnung zum Ansteuern eines Sperrwandlers Circuitry for driving a flyback converter
05/10/2006EP1655826A2 Method and apparatus to provide temporary peak power from a switching regulator
05/10/2006EP1655825A2 Voltage offset calibration for an integrated circuit amplifier
05/10/2006EP1654799A2 Switching-bursting method and apparatus for reducing standby power and improving load regulation in a dc-dc converter
05/10/2006EP1654797A1 Output voltage control of a synchronous rectifier
05/10/2006EP1654606A1 Circuit arrangement and power supply method
05/10/2006EP1590878A4 Improved fixed frequency resonant converter
05/10/2006CN1771655A Adaptive resonant switching power system
05/10/2006CN1770613A Forward converter with synchronous rectifier and reverse current control
05/10/2006CN1770612A Semiconductor device for controlling switching power supply and switching power supply unit using the same
05/10/2006CN1770611A Linear stabilized voltage power circuit
05/10/2006CN1770610A Switching power supply circuit and electronic apparatus provided therewith
05/10/2006CN1770609A Single-power low-distortion wide-range positive/negative voltage signal sampling switch circuit
05/10/2006CN1770583A Image forming apparatus and high voltage power thereof
05/10/2006CN1255930C Switching converter
05/09/2006US7043377 Power-saving effect display device in an inverter device
05/09/2006US7042742 Charge-pump circuitry
05/09/2006US7042740 Soft-switching half-bridge inverter power supply system
05/09/2006US7042739 Switching electric source device
05/09/2006US7042293 DC/DC converter using bipolar transistor, method of manufacturing the same and DC power supply module using the same
05/09/2006US7042276 Charge pump with improved regulation
05/09/2006US7042275 Booster circuit
05/09/2006US7042207 Inductive measurement system and method
05/09/2006US7042203 DC-DC converter
05/09/2006US7042202 Energy saving discontinuous mode system and method
05/09/2006US7042201 Digital control circuit for switching power supply with pattern generator
05/09/2006US7042200 Switching mode power conversion with digital compensation
05/09/2006US7042026 Power switching device
05/09/2006US7040727 Apparatus for controlling power supply to printer and method thereof
05/09/2006CA2186547C Switching power supply regulator
05/04/2006WO2006046731A1 Power supply device and portable device
05/04/2006WO2006046372A1 Switching regulator control circuit, switching regulator using the circuit, and switching signal generating apparatus
05/04/2006WO2006046220A1 An acdc converter
05/04/2006WO2006046205A1 Ultra low power stand-by supply
05/04/2006WO2006000569A3 Switching regulator
05/04/2006US20060092674 Powered hand held devices
05/04/2006US20060092673 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
05/04/2006US20060092672 High-voltage generator and method of controlling high voltage
05/04/2006US20060092671 Semiconductor device for controlling switching power supply and switching power supply unit using the same
05/04/2006US20060091871 Integrated zvs synchronous buck dc-dc converter with adaptive control
05/04/2006US20060091870 Switching power supply device and switching power supply system
05/04/2006US20060091867 Power converter
05/04/2006DE202006002692U1 Device for measuring impedance of electrical system has electrical conductors, load and measuring points whereby load to be measured is not at position near to measuring points and additional conductors can also be used
05/04/2006DE102005051087A1 Power converter device e.g. as power supply unit, uses main control circuit for controlling switching element thus DC supply voltage for load is constant
05/04/2006DE102004053495A1 Circuit to determine input voltage of a primary clocked network with transformer separated input and output has test voltage unit connected to the transformer output
05/04/2006DE102004050665A1 Elektronikstromversorgung Electronic power supply
05/03/2006EP1653597A1 Circuit arrangement for switched power supply
05/03/2006EP1653584A2 Battery charging apparatus
05/03/2006EP1653314A1 Voltage converter apparatus
05/03/2006EP1652287A1 Switching converter
05/03/2006EP1652286A1 Switched-mode power supply
05/03/2006EP1652189A1 Area efficient charge pump
05/03/2006EP1342309B1 Switched mode power supply
05/03/2006EP0925636B1 A forward converter with an inductor coupled to a transformer winding
05/03/2006CN2777848Y AC electric machine driving circuit
05/03/2006CN2777845Y POE power supply module with synchronously output 48 ports